• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 659

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• UCH11 UBF11 UCL11 UY11

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4GW646 [Pdyn-LS] - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 300 x 175 x 200 mm / 11.8 x 6.9 x 7.9 inch

• Notes

• L-Abstimmung, auch mit elektrodyn. Lautsprecher

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + Schenk Heft 29 von 1947

• Mentioned in
• Lange / Nowisch, "Empfängerschaltungen der Radioindustrie" (Band 1, 5. Aufl., S. 192)

• Other Models

• Here you find 3525 models, 3214 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim